KitchenOwl vs Tempus Calc

KitchenOwl helps you organize your grocery life. Open-Source and self-hosted groceries list.

FEATURES DURATION CALCULATOR • Calculate the exact time between any two dates • See results in years, months, and total days • Perfect for age calculations, anniversary tracking, and project timelines • Instant results as you select dates ADD/SUBTRACT DAYS • Find future dates by adding days • Calculate past dates by subtracting days • Support for negative values up to 100 years • Ideal for deadline planning and scheduling SAVED CALCULATIONS • Save frequently used calculations for quick access • Search and filter your saved items • Swipe to delete individual calculations • Clear all with confirmation protection • Perfect for recurring date calculations BEAUTIFUL DESIGN • Elegant, modern interface • Full Dark Mode support • Smooth animations and haptic feedback • Color-coded results for clarity • Optimized for all iPhone sizes PERFECT FOR • Project Managers - Track milestones and deadlines • Event Planners - Calculate dates for weddings, parties, conferences • Business Professionals - Plan delivery dates and schedules • Students - Track assignment due dates and semester planning • Travelers - Plan trips and calculate vacation lengths • Parents - Track child development milestones • Anyone who works with dates regularly WHY CHOOSE TEMPUS CALC? PRIVACY FIRST All calculations are stored locally on your device. No data collection, no tracking, no cloud sync required. Your dates are yours alone. LIGHTNING FAST Calculations happen instantly as you interact. No waiting, no loading screens. Just immediate results. OFFLINE CAPABLE Works perfectly without internet connection. Calculate dates anywhere, anytime. NO ADS Focus on your calculations without distractions. No advertisements, ever. HOW IT WORKS Duration Mode: 1. Select a start date 2. Select an end date 3. See instant results in multiple formats 4. Save for later if needed Add Days Mode: 1. Choose a starting date 2. Enter number of days (positive or negative) 3. See the resulting date immediately 4. Save your calculation for future reference